Using the 480i CT Cordless Handset
Handset Battery Indicator & Status
The display provides "at a glance" information on the handset battery.
dcba The bars indicate the battery charge level — 4 for full, needs recharging when only 1 bar appear
fThe bars will flash when the battery is being recharged on the charger stand.
Note: The handset is designed to recharge the batteries automatically, when required and placed on the charger stand. The battery icon will not flash and the handset does not charge every time it is placed on the stand. If a defective battery is replaced, then the battery Icon is not identified until the new battery is charged for at least 2 minutes.
Volume Control
The volume key, located on the side of the handset, controls both the receiver and ringer volume.
Note: The volume key can also be used to adjust the right/left cursor to add spaces or to erase characters on the display when editing or creating names, key labels etc.
To adjust the receiver volume:
•While on a call, press the top of the key to increase the receiver volume and press the bottom of the key to decrease the volume. The receiver volume icon on display will indicate the current volume level. In absence of a PBX, the receiver volume returns to the default setting after each call. However, the PBX directive can direct the handset default to the volume.
To adjust the ringer volume:
•When the handset is not being used for a call, press the top of the key to increase the ringer volume and press the bottom of the key to decrease the ringer volume. The handset ringer will sound on each adjustment to reflect the new setting and the ringer volume icon on display will also show the current level chosen.
Directory – 480i CT Cordless Handset
Entering Characters and Numbers
Editing keys
During alphanumeric entry, the volume control keys become edit keys. They are used to provide backspace and
Note: The Down scroll key (marked  ) or the Up scroll key (marked Ï ) are also used to provide backspace and forward space respectively.
/IP Phone User Guide 45